Unipolar charge sensing with coplanar electrodes-application to semiconductor detectors
- 1 August 1995
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 42 (4) , 207-213
- https://doi.org/10.1109/23.467848
Abstract
A novel method to perform preferential sensing of single-polarity charge carriers in ionization detectors is presented. It achieves the same function as Frisch grids commonly employed in gas ion chambers but uses a coplanar electrode configuration suitable for semiconductor detectors. Through the use of this method, good energy resolution can be obtained from room-temperature compound semiconductor detectors despite their poor hole-collection characteristics. Experiments using a CdZnTe detector demonstrate the effectiveness of this technique. Schemes to correct for electron trapping and to obtain position information are also described.<>Keywords
This publication has 6 references indexed in Scilit:
- Single-polarity charge sensing in ionization detectors using coplanar electrodesApplied Physics Letters, 1994
- High resolution gamma ray spectroscopy with CdTe detector systemsNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1992
- Cd/sub 1-x/Zn/sub x/Te gamma ray detectorsIEEE Transactions on Nuclear Science, 1992
- Gamma−ray spectroscopy with single−carrier collection in high−resistivity semiconductorsApplied Physics Letters, 1975
- Resolution improvement in CdTe gamma detectors using pulse-shape discriminationNuclear Instruments and Methods, 1975
- Currents Induced by Electron MotionProceedings of the IRE, 1939